Workmanship Standards

 

Below we have defined the minimum performance requirements for deliverable goods to customers.

 

Ejector Pin Marks

Ejector pin protrusions and depressions flush to .010"

 

Flash-Excess Plastic

Parallel to parting line = .005" x .015" long

Core flash = .005" x .015" long

Perpendicular from a core pin = .005" x .015" long

 

Gate Vestige

Tunnel Gates = flush to .010"

Hot Tips = flush to .010"

Tab Gates = flush to .010"

Pin Gates = flush to .010"

Fan Gates = flush to .010"

 

Color Streaks

Color streaks visible at 18" to the unaided eye. - Not Acceptable

 

Contamination

Pollution of grease, oil, and antifreeze on parts related to the keeping of the product. - Not Acceptable

 

Delaminating

The splitting of plastic material along its layers. - Not Acceptable

 

Flow Lines/Knit Lines

A mark on a molded part where two flow fronts meet. Acceptable if not visual part or specified.

 

Gas Burns

Thermal decomposition through discolorization, distortion, or localized destruction. - Not Acceptable

 

Sink

Depression or dimple on a molded part. May not exceed 20% of the adjacent molded part.

 

Specks

Specks visible at 18" to the unaided eye. - Not Acceptable

 

Splay

Lines found in parts after molding. - Not Acceptable